12633139 has 8 divisors (see below), whose sum is σ = 12910320. Its totient is φ = 12358176.

The previous prime is 12633109. The next prime is 12633143. The reversal of 12633139 is 93133621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12633139 - 2⁷ = 12633011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12633109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15957 + ... + 16729.

It is an arithmetic number, because the mean of its divisors is an integer number (1613790).

Almost surely, 2^12633139 is an apocalyptic number.

12633139 is a deficient number, since it is larger than the sum of its proper divisors (277181).

12633139 is an equidigital number, since it uses as much as digits as its factorization.

12633139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its digits is 2916, while the sum is 28.

The square root of 12633139 is about 3554.3127324421. The cubic root of 12633139 is about 232.9005021337.

The spelling of 12633139 in words is "twelve million, six hundred thirty-three thousand, one hundred thirty-nine".